From 8dcd19874f31b7a806a2a2b129e94882918c3aaf Mon Sep 17 00:00:00 2001 From: Christophe Ricard Date: Mon, 1 Dec 2014 19:32:57 +0100 Subject: tpm/tpm_i2c_stm_st33: Few code cleanup Cleanup code indentation, braces, test variable when NULL. Reviewed-by: Jason Gunthorpe Signed-off-by: Christophe Ricard Signed-off-by: Peter Huewe --- drivers/char/tpm/tpm_i2c_stm_st33.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-) (limited to 'drivers/char/tpm') diff --git a/drivers/char/tpm/tpm_i2c_stm_st33.c b/drivers/char/tpm/tpm_i2c_stm_st33.c index 3f722630ff92..a444cd3cb17d 100644 --- a/drivers/char/tpm/tpm_i2c_stm_st33.c +++ b/drivers/char/tpm/tpm_i2c_stm_st33.c @@ -26,7 +26,7 @@ * * @Synopsis: * 09/15/2010: First shot driver tpm_tis driver for - lpc is used as model. + * lpc is used as model. */ #include @@ -393,7 +393,7 @@ static int wait_for_stat(struct tpm_chip *chip, u8 mask, unsigned long timeout, long ret; u8 status; - if (chip->vendor.irq) { + if (chip->vendor.irq) { ret = wait_for_serirq_timeout(chip, ((tpm_stm_i2c_status (chip) & mask) == mask), timeout); @@ -429,8 +429,7 @@ static int recv_data(struct tpm_chip *chip, u8 *buf, size_t count) wait_for_stat(chip, TPM_STS_DATA_AVAIL | TPM_STS_VALID, chip->vendor.timeout_c, - &chip->vendor.read_queue) - == 0) { + &chip->vendor.read_queue) == 0) { burstcnt = get_burstcount(chip); if (burstcnt < 0) return burstcnt; @@ -482,7 +481,7 @@ static int tpm_stm_i2c_send(struct tpm_chip *chip, unsigned char *buf, struct i2c_client *client; struct tpm_stm_dev *tpm_dev; - if (chip == NULL) + if (!chip) return -EBUSY; if (len < TPM_HEADER_SIZE) return -EBUSY; @@ -559,7 +558,7 @@ static int tpm_stm_i2c_recv(struct tpm_chip *chip, unsigned char *buf, int size = 0; int expected; - if (chip == NULL) + if (!chip) return -EBUSY; if (count < TPM_HEADER_SIZE) { @@ -580,7 +579,7 @@ static int tpm_stm_i2c_recv(struct tpm_chip *chip, unsigned char *buf, } size += recv_data(chip, &buf[TPM_HEADER_SIZE], - expected - TPM_HEADER_SIZE); + expected - TPM_HEADER_SIZE); if (size < expected) { dev_err(chip->dev, "Unable to read remainder of result\n"); size = -ETIME; @@ -662,9 +661,9 @@ static int tpm_stm_i2c_request_resources(struct i2c_client *client, int ret; pdata = client->dev.platform_data; - if (pdata == NULL) { - pr_err("No platform data\n"); - return -EINVAL; + if (!pdata) { + dev_err(chip->dev, "No platform data\n"); + return -ENODEV; } /* store for late use */ @@ -695,13 +694,13 @@ static int tpm_stm_i2c_probe(struct i2c_client *client, const struct i2c_device_id *id) { int ret; - u8 intmask; + u8 intmask = 0; struct tpm_chip *chip; struct st33zp24_platform_data *platform_data; struct tpm_stm_dev *tpm_dev; - if (client == NULL) { - pr_info("%s: i2c client is NULL. Device not accessible.\n", + if (!client) { + dev_info(&client->dev, "%s: i2c client is NULL. Device not accessible.\n", __func__); return -ENODEV; } @@ -805,7 +804,7 @@ _tpm_clean_answer: /* * tpm_stm_i2c_remove remove the TPM device * @param: client, the i2c_client drescription (TPM I2C description). - clear_bit(0, &chip->is_open); + * clear_bit(0, &chip->is_open); * @return: 0 in case of success. */ static int tpm_stm_i2c_remove(struct i2c_client *client) @@ -835,6 +834,7 @@ static int tpm_stm_i2c_pm_suspend(struct device *dev) gpio_set_value(pin_infos->io_lpcpd, 0); else ret = tpm_pm_suspend(dev); + return ret; } /* tpm_stm_i2c_suspend() */ @@ -869,6 +869,7 @@ static const struct i2c_device_id tpm_stm_i2c_id[] = { {TPM_ST33_I2C, 0}, {} }; +MODULE_DEVICE_TABLE(i2c, tpm_stm_i2c_id); #ifdef CONFIG_OF static const struct of_device_id of_st33zp24_i2c_match[] = { @@ -878,7 +879,6 @@ static const struct of_device_id of_st33zp24_i2c_match[] = { MODULE_DEVICE_TABLE(of, of_st33zp24_i2c_match); #endif -MODULE_DEVICE_TABLE(i2c, tpm_stm_i2c_id); static SIMPLE_DEV_PM_OPS(tpm_stm_i2c_ops, tpm_stm_i2c_pm_suspend, tpm_stm_i2c_pm_resume); static struct i2c_driver tpm_stm_i2c_driver = { @@ -887,7 +887,7 @@ static struct i2c_driver tpm_stm_i2c_driver = { .name = TPM_ST33_I2C, .pm = &tpm_stm_i2c_ops, .of_match_table = of_match_ptr(of_st33zp24_i2c_match), - }, + }, .probe = tpm_stm_i2c_probe, .remove = tpm_stm_i2c_remove, .id_table = tpm_stm_i2c_id -- cgit v1.2.3